Citazione Stile APA (7a Edizione)

Barrett, H. (1968). Practical methods in speech (2d ed.). Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Barrett, Harold. Practical Methods in Speech. 2d ed. New York: Holt, Rinehart and Winston, 1968.

Citatione MLA (9a ed.)

Barrett, Harold. Practical Methods in Speech. 2d ed. Holt, Rinehart and Winston, 1968.